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/* vim:set et sts=4: */
/* ibus - The Input Bus
* Copyright (C) 2008-2009 Huang Peng <shawn.p.huang@gmail.com>
*
* This library is free software; you can redistribute it and/or
* modify it under the terms of the GNU Lesser General Public
* License as published by the Free Software Foundation; either
* version 2 of the License, or (at your option) any later version.
*
* This library is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
* Lesser General Public License for more details.
*
* You should have received a copy of the GNU Lesser General Public
* License along with this library; if not, write to the
* Free Software Foundation, Inc., 59 Temple Place - Suite 330,
* Boston, MA 02111-1307, USA.
*/
#include "ibusobject.h"
#include "ibusinternal.h"
#define IBUS_OBJECT_GET_PRIVATE(o) \
(G_TYPE_INSTANCE_GET_PRIVATE ((o), IBUS_TYPE_OBJECT, IBusObjectPrivate))
enum {
DESTROY,
LAST_SIGNAL,
};
typedef struct _IBusObjectPrivate IBusObjectPrivate;
struct _IBusObjectPrivate {
gpointer pad;
};
static guint object_signals[LAST_SIGNAL] = { 0 };
/* functions prototype */
static void ibus_object_class_init (IBusObjectClass *klass);
static void ibus_object_init (IBusObject *obj);
static GObject *ibus_object_constructor (GType type,
guint n,
GObjectConstructParam
*args);
static void ibus_object_dispose (IBusObject *obj);
static void ibus_object_finalize (IBusObject *obj);
static void ibus_object_real_destroy (IBusObject *obj);
static GObjectClass *parent_class = NULL;
GType
ibus_object_get_type (void)
{
static GType type = 0;
static const GTypeInfo type_info = {
sizeof (IBusObjectClass),
(GBaseInitFunc) NULL,
(GBaseFinalizeFunc) NULL,
(GClassInitFunc) ibus_object_class_init,
NULL, /* class finialize */
NULL, /* class data */
sizeof (IBusObject),
0,
(GInstanceInitFunc) ibus_object_init,
};
if (type == 0) {
type = g_type_register_static (G_TYPE_OBJECT,
"IBusObject",
&type_info,
G_TYPE_FLAG_ABSTRACT);
}
return type;
}
/**
* ibus_object_new:
*
* Creates a new instance of an #IBusObject.
*
* Returns: a new instance of #IBusObject.
*/
IBusObject *
ibus_object_new (void)
{
return IBUS_OBJECT (g_object_new (IBUS_TYPE_OBJECT, NULL));
}
static void
ibus_object_class_init (IBusObjectClass *klass)
{
GObjectClass *gobject_class = G_OBJECT_CLASS (klass);
parent_class = (GObjectClass *) g_type_class_peek_parent (klass);
g_type_class_add_private (klass, sizeof (IBusObjectPrivate));
gobject_class->constructor = ibus_object_constructor;
gobject_class->dispose = (GObjectFinalizeFunc) ibus_object_dispose;
gobject_class->finalize = (GObjectFinalizeFunc) ibus_object_finalize;
klass->destroy = ibus_object_real_destroy;
/* install signals */
object_signals[DESTROY] =
g_signal_new (I_("destroy"),
G_TYPE_FROM_CLASS (gobject_class),
G_SIGNAL_RUN_LAST,
G_STRUCT_OFFSET (IBusObjectClass, destroy),
NULL, NULL,
ibus_marshal_VOID__VOID,
G_TYPE_NONE, 0);
}
static void
ibus_object_init (IBusObject *obj)
{
IBusObjectPrivate *priv;
priv = IBUS_OBJECT_GET_PRIVATE (obj);
obj->flags = 0;
}
static GObject *
ibus_object_constructor (GType type,
guint n,
GObjectConstructParam *args)
{
GObject *object;
object = parent_class->constructor (type, n ,args);
return object;
}
static void
ibus_object_dispose (IBusObject *obj)
{
if (! (IBUS_OBJECT_FLAGS (obj) & IBUS_IN_DESTRUCTION)) {
IBUS_OBJECT_SET_FLAGS (obj, IBUS_IN_DESTRUCTION);
if (! (IBUS_OBJECT_FLAGS (obj) & IBUS_DESTROYED)) {
g_signal_emit (obj, object_signals[DESTROY], 0);
IBUS_OBJECT_SET_FLAGS (obj, IBUS_DESTROYED);
}
IBUS_OBJECT_UNSET_FLAGS (obj, IBUS_IN_DESTRUCTION);
}
G_OBJECT_CLASS(parent_class)->dispose (G_OBJECT (obj));
}
static void
ibus_object_finalize (IBusObject *obj)
{
G_OBJECT_CLASS(parent_class)->finalize (G_OBJECT (obj));
}
static void
ibus_object_real_destroy (IBusObject *obj)
{
g_signal_handlers_destroy (obj);
}
/**
* ibus_object_destroy:
* @object: an #IBusObject to destroy.
*
* Emit the "destory" signal notifying all reference holders that they should
* release the #IBusObject.
*
* The memory for the object itself won't be deleted until its reference count
* actually drops to 0; ibus_object_destroy merely asks reference holders to
* release their references. it does not free the object.
*/
void
ibus_object_destroy (IBusObject *obj)
{
IBusObjectPrivate *priv;
priv = IBUS_OBJECT_GET_PRIVATE (obj);
if (! (IBUS_OBJECT_FLAGS (obj) & IBUS_IN_DESTRUCTION)) {
g_object_run_dispose (G_OBJECT (obj));
}
}
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